How popular is Ginebra?

Ginebra is an uncommonly occurring first name for women. Ginebra is also an unusual surname for both adults and children. (2000 U.S. Demographics)

Which version is better?

with its source form and related girl names. Geneva(#1219 in recent rankings), Genevra and Genevia are the prominent varying forms of Ginebra (outside Top 2000) listed in the Top 2000. Adoption of these relations of Ginebra was common among parents during the years 1920-1929 (adoption of 0.15%) and has become much less since (adoption 0.01%, ▼94.7%), with the version Geneva becoming somewhat outmoded. (2015 Birth Statistics)